Mine-car.



wsyqm-nwsfim w. L. MCDOWELL.

MLNE CAR. APPLICATWNAYHLED AUG-.5. 1915.-

. 1 Patented May 23, 1916.

fhvemtara Warren ZETo/zmom John Lee 1 1 270 walZ Jtlorrzey s 'gl v specification emanate. Patented 31:13'23, 191.6."

710 inithe art ,to which appertainsto make side wall, said bottom .portionand' side wall I tithe accompanying drawings, which illus nally "extending connection "and locking w though-it is to'b'e understood that the inven- --lo.wer sill '1 of the mine can-body and said used with the improved truck. Fig. 4 is a prevented.

' g emb1y.-f0ur. wheels'which extend'jintojouran abutment, to receive the endthrust of are generally termed closed hubwheels in tions '16 adapted to rest against tlie outer} 1 UNITED STATES- ARRE v. JOHESQN AND JOHN LEE McDoWELn'oF :BLooMsBURG, PENNSYLVANIA, ASSIGNORS TO AMERI N oAge AND FOUNDRY COMPANY, OF NEW YORK,'N. Y.,: A CORPORATION on NEW JERSEY.

' I p 5' MINE-GAR.

a pnean aiea August 5, 1915. j Serial No. 43,794

V p V ralityrbf bearings for the axle within the 5.5

I Bel-.it known that we, WARREN-V. JoHN- 1 wheels, ready accessibility to, the means enia n' d, ,JO'fiN:LEE MCDOWELL,residingat lployed for locking tliefwh-eels to the axle Bloomsburg, Qolumbia' county,- Pennsyland economy of lubricant employed. tolu- 5 van'ia, and being citizens of the United bricate the journal box and; wheel assembly.

States, have invented. certain new .and'use Other features of advantage will be hereful Improvements in Mine Cars, oi wlnchjinafter pointed out. v l

. the followingisa'full, clear, and exact de- Referring specifically to the parts', 1 indisscription, such as will enable others skilled 'ca tes thebottom portion' of amine car, 2 a

Hand to use the same, refe1ence being had a); beingbroken off, 3 indicates" a longitudi- '55 ,Etrate flee-preferred form'ofthe invention, 5 strap-adapted to'bescured -to'thejfioor or 15tion is. notlimited -to the exact details of "strap is. provided witha downturned flangeconstruction shown" and described, as it is '4 which is adapted to interlock with reobvious that various modifications thereof cesses 5 formedin the upperi faces of the I will occur to persons skilled inthe art. v journal boxes, 6 so that ,when the bolts? are. In said drawings: Figure I'is an elevaprojected through the outstanding portions .20 tional view showing the running gear as-Y 8 of said journal boxes, through thefioor 1, sembly of a mine car truck,one Wheelat the p and the floor strap 9 and the pairs of wheels right .being shown in ,full lines, and the are connected through their journal boxes, t wheel at the :left being shown in dot and etc. there is also provided additional lockdashlines, and thesectional portion atthe' ing means to hold the journalboxes in osi-, 325 left indicating a section. "on flinef11 of -tionandthereby relieve stresses on the olts I j a Fig. 2'. Fig. 2'zis a central vertical-sectional 7, said interlocking means being provided view, the section being taken approximately by the flange and recessses 4, 5, hereinbefore on line 2j2 ofFig. 1. Fig. 3 isan enlarged 1 referred to, whereby movement of the jour detail elevational view of one of the wheels nal boxes longitudinally of the axles 10 is fragmentaryedge View of such wheel. Fig. The journal boxes 6 are provided with 5' is a central horizontal sectional view, the bearing portions 11 in which are'forined luseetion being taken on line 55 of Fig. 2. bricant pockets l2and 13, which a I will be 'Fig. 6 is an enlarged fragmentary detail a noted from an inspection of Fig. 2 are con- 35 hereinafter described. nectedby the passage 14 when the axle -10 One of the objects, of-the invention is to is in position. Thev front and-rear walls provide a simple; light and economical as, 12*,12" respectively of lubricant pocket12 7 sembly for -mine-; cars 'ecoinprisingf a truck rise nearly to the planeof the axle 10 where- I: equipped-with a pair of I axles {and ref-- by the front wall 'l 2 'is adapted to serve' as nal boxes rigidl qconnected:together'and to "the wheels of said axle, suitahle washers be- 96 the -'body,.portion ofthelmine car in which lng lnterposed as is usual with-this class of lasjsembly the wheels'are secured. on the axles assembly, if desired. The jOlllIlfllhQXBS are 7 by'means passing through the. axles in what also provided with enlarged outer eiid por-v WlllCh'tllG ends of the-axleshavebearings facesv of the ends of the floor boards 10mg, against" the inner faces of the "hub portions the side sill of the truck, if such sill shall be p of the wheels,=there being;lubricatingchamfemployed, the object of the portions 16 be berswprovided in such. wheels adapted; ra ing to provide bearings to assist in holding 50' carry lubricant and .there being also pro .;the"]ournal boxes in position. Cooperating vi'ded spring controlwalves adapted to close )Vltll theqournal boxes" are wheels 20 which 10 the ingress passagesnto the interior-of such 11 1- general appearance 'follow'the conven- .lubricating chambers. i :f tronal lmes'of m ne carwheels, but to ro- 1 Among the advantages attained are a pluvlde for and thrust of the wheels on-the o a 1 I g itudinal "aline ment with the shoulaxles] nd -tou-minimize the loss of lubricant while the perimeter of'the hub ext ns'ionf2lj'is cored outto fo r1r r tl 1 e passages hr li 'sh w eh-ras 'f' ns t d ":12? and thepin 28, which latter may cotter-pin asgshbwn in Fig. 3 or may be gserveas-fa linch pin. I

.o he wheelfls; partly closed as. indihe l's uders 29 and also providing [255' .Q.a d i i' need.- t e, ssages 26le'adingto,saidpocket o be fonlygsuflicient area to permit in rtingof jsaid washer and the-{other passage fadi'n from the ioppositeside may be only oif iother pin -28, one of th'eobjects being tolclosel'the endportion of the hub as much as pQS Sible; v

lwhee l to the lubricating chamber 36 Withinith-"interiorhub portin f'37 which lubrimating chamber is storedafsufiic ent quan- -tity'of lubricantlfor useo'v'er a considerable period of time, thelubricant finding its way through the'ipassage 38 to the axle bearing of lubricant and by means of the communi cation passages for such lubricant, hereinbefore referred to thelubricant pockets in the ournalv boxes $55 after passing through the Wheels.,

Inspection of Figs. 2 and 5 will show that:

the end of the axle may contact with the embossment 22 while its shoulder 29 is out of contact with the shoulder 30 of the wheel (30 hub, thereby providing a passage 30 for the reception of lubricant which is'there pockshoulder of the axle werev free to contact as with the shoulder: 0 of the p. 1 In the my ossments 22 adapted to proof lubricant passage from the fa y'reenjvenienu shaped adapted to to pocket 13, through the wheel andjournal on the axles l0fthe interior hub por- 30, thereby providing an end bear 1 'i'alibearing rot the reduced" pin are' f eft'orotate Within enftheawheeli 20 revolves I" nough to "permltins'ertion of the .cot-

I v having priiig held valve -which. ="lssjclose's'ithe passageffrom-the- 'eXterioriof-the POl IOIlS, Wheels having nto-sald journal boxes at one side and having the opposite sides of said hubs closed in alinement; with' said axles and keys in said closed hub portions extending'through' said journal boxes,

the lubricant is caught in 'ter condition a pumping action will result which'causes loss of a. considerable quantity of lubricant that is'saved by the details of construction illustrated in Fig. 6.

The.pock'et 12 is large enough to hold a considerable quantity of waste and lubricant which latter is added to from time to time from the wheel in service and to pre- "vent loss the packing ring-is inserted, preferably bearing. on a trued outer surface of the wheelhub portion 39 andthereby pro: Viding a,c ont-inuo,us and practically leak valve pairs of wheels and journal boxes, the j0urnal boxes having recesses in their upper faces, coupling, means resting 1n said recesses, said wheels extending into said'journal boxes, means connecting said journal boxes, axles passing through the journal boxes and into but not through said wheels, I

intercommi'inicating lubricant receptacles in the wheels'and ournal boxes and wheel securing means passing entirely through the axles. I v 2. In 'combinatlonin a mine car, coupled pans of Journal boxes having recesses in their upper portion, connecting members having flanges resting in said recesses, axles middle portions of relatively large diameter and ,of less diameter at their end hubs projecting axles.

" 3. In combination in a truck, spaced pairs of journal boxes, straps having flanges thereon interlocking with recesses in said axles extending through said journal boxes and rotatable therein, said axles having end portions of reduced diameter, wheels each having an axle bearing of two diameters fitting the end portions of said axles abutting. the ends ofthe axles and projecting into said journal boxes and pins extending through said' axles within the hub portions of said wheels.

. In combination, "a journal box having an axle bore,"and an enlargedopening atone end; a wheel having a closed outer hub portion and provided with axle bearings of two diameters within said hub portion, a por tion of the hub having the bearing of larger and a portion of the'wheel hub having an 7 axle bearing jot less diameter inclosing and eted and is not forced out of-the smaller, bore portion of the hub as it WOllld-bif the adapted to; 'abut the: end of an axle, and" a mit endia awheel having an extension at one side of its hub loosely revoluble' in said journal box, said hub being closed at the end'thereof opposite said journalbox and there being, an axle opening of large and of' small diameter Within said wheel, an axle of two diameters passing through said journal box into said Wheel and abut- ;ting the inner face of a closed outer hub portion thereof, and a pin passingenti-rely through ."said axle.

6. In combination, a whe'el having therein an axle bearing of two diameters and a closed .outer hub. portion adapted tobear -againstxthe end of anaxle, an-axle-having an end portion of redueeddi'ameter extending partway into the'portion of the Wheel hub having an axle bearing oflarger, dij abutment-for. ajwheelhub, in comblnajtion vwith a closed -'hub Wheel eastas aninteger' ameter said axle having a larger diameter extending from thence throughthe opposite side of the Wheel hub,-,and a 'pinextending through the'end portion of said axle to look said Wheel thereon.

7. In combination, a journal boxlanda, wheel hav ng v 1ntercommunicatmg, lubricant reservoirs, the wheel having an axle bearing of large and small diameters, anaxle-Qofa. large diameter in one part of said Wheel and v of lesser diameter in another part of said Wheel, the Wheels extending across the outer end of the axle, therebeingflan annular lubricant passage formed by the axle and axle bore within the Wheel, and means eX- tending throughsaid axle 'tosecure the wheel in position ther'eon.

8. In combination,--a journal box hayinga bearing" portion iandIa flanged open end portion in combination. with a closed-hub "wheel having a flange enter ing said open thelarger diameterof theaxle being sodis-f.

posed With relation to's'aid Wheel as to pro v ide an annular" lubricantreservoir snr [rounding the inner portion of smaller;'d1-' .ameter of-the axle] at-thejen d of-the larger diameterthereof. Y

having alubricant reservoir'with awall.-

portion at'the front and rear sides thereof and a flanged v openend portion, said front wall. portion being adapted to; serve, as fa'nz with 'a flange entering said open endfo'f the journal box-in alinement withsaid .wallrpor 7 tion, said wheelhavingian axle bearing 10f, two d1a'ineters,. anaxleof twodia neters in' said axle' bearings, and, means extending 9'.' In combination, a journal bearing box' 

